Cardfight Vanguard(2011)

Several days after the mortal battle against Link Joker which embroils the whole world, the world has returned to peace.
But Kai Toshiki faces a surprising situation. Sendou Aichi, the hero who...

GenreAction, Adventure, Demons, Game, ShounenNumber of episodes216Latest available episode
Season 8 Episode 7 - UnknownFull descriptionSeveral days after the mortal battle against Link Joker which embroils the whole world, the world has returned to peace.
But Kai Toshiki faces a surprising situation. Sendou Aichi, the hero who saved the world from the invasion of Link Joker, has suddenly disappeared. In addition, everyone's memory about Aichi is lost...Almost all hints have been lost, and Kai starts to search Aichi with "Blaster Blade" and the deck of Royal Paladin, the only existing hint and the proof of their bonds.
Kai is approached by fighters who call themselves "Quatre Knights". The four---Gaillard, Neve, Ratie and Sarah---are fighters with world-class power in vanguard fights. They control mysterious power and urge Kai to give up searching Aichi. What is their purpose...!? And what is their relationship with Aichi...!?
Kai, with the new power "Legion" in his hand, fights to take Aichi back. Now, the war has begun!

Cardfight Vanguard: Sendo Aichi is a timid boy in his third year of middle school. He had been living his life looking backward rather than forward, trying not to stand out. However, he had one thing that kept him going - the "Blaster Blade," a card from a card game that was given to him when he was little. That card is the reason why he begins to engage in Card Fights, something that changes his life drastically.The name of the card game is "Vanguard." The game takes place in a different planet called "Klay," and due to a never before seen play system, it becomes popular throughout the world.